Sample Response: Planet A is an outer planet, and planet B is an inner planet. Inner planets rotate slowly, so they take more time to complete a rotation. Outer planets rotate faster, so they take less time to complete a rotation. Which ideas did you include in your answer? Check all that apply.

Inner planets rotate slower.
Outer planets rotate faster.
Inner planets take more time to complete a rotation.
Outer planets take less time to complete a rotation.
Planet A is an outer planet.
Planet B is an inner planet.